Operation panel for a working machine



FIG. 1 is a perspective view of an operation panel for a working machine showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a reference drawing in the perspective view showing a use state.

The broken lines in the drawings are for the purpose of illustrating portions of the operation panel for a working machine that form no part of the claimed design. 

CLAIM The ornamental design for an operation panel for a working machine, as shown and described. 